Mandriva Linux Security Advisory : libssh (MDVSA-2013:009)

Medium Nessus Plugin ID 64551


The remote Mandriva Linux host is missing one or more security updates.


A vulnerability has been found and corrected in libssh :

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a Client: Diffie-Hellman Key Exchange Init packet (CVE-2013-0176).

The updated packages have been upgraded to the 0.5.4 version which is not affected by this issue.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 64551

File Name: mandriva_MDVSA-2013-009.nasl

Version: $Revision: 1.3 $

Type: local

Published: 2013/02/11

Modified: 2013/06/01

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:mandriva:linux:lib64ssh-devel, p-cpe:/a:mandriva:linux:lib64ssh4, p-cpe:/a:mandriva:linux:libssh-devel, p-cpe:/a:mandriva:linux:libssh4, cpe:/o:mandriva:linux:2011

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Mandrake/release, Host/Mandrake/rpm-list

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2013/02/09

Reference Information

CVE: CVE-2013-0176

BID: 57571

MDVSA: 2013:009